[S390] 1K/2K page table pages.

[linux-2.6-block.git] / arch / s390 / mm / vmem.c

diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 79d13a166a3dac765df9c7af68c18b0cf58bd253..434491f8f47cb26338492d4debb0b528871c6531 100644 (file)
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -62,7 +62,7 @@ void __meminit memmap_init(unsigned long size, int nid, unsigned long zone,
        }
 }
 
-static void __init_refok *vmem_alloc_pages(unsigned int order)
+static void __ref *vmem_alloc_pages(unsigned int order)
 {
        if (slab_is_available())
                return (void *)__get_free_pages(GFP_KERNEL, order);
@@ -84,13 +84,18 @@ static inline pmd_t *vmem_pmd_alloc(void)
        return pmd;
 }
 
-static inline pte_t *vmem_pte_alloc(void)
+static pte_t __init_refok *vmem_pte_alloc(void)
 {
-       pte_t *pte = vmem_alloc_pages(0);
+       pte_t *pte;
 
+       if (slab_is_available())
+               pte = (pte_t *) page_table_alloc(&init_mm);
+       else
+               pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t));
        if (!pte)
                return NULL;
-       clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, PAGE_SIZE);
+       clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY,
+                   PTRS_PER_PTE * sizeof(pte_t));
        return pte;
 }
 
@@ -250,7 +255,7 @@ static int insert_memory_segment(struct memory_segment *seg)
 {
        struct memory_segment *tmp;
 
-       if (seg->start + seg->size >= VMALLOC_START ||
+       if (seg->start + seg->size >= VMEM_MAX_PHYS ||
            seg->start + seg->size < seg->start)
                return -ERANGE;
 
@@ -360,7 +365,9 @@ void __init vmem_map_init(void)
 {
        int i;
 
-       BUILD_BUG_ON((unsigned long)VMEM_MAP + VMEM_MAP_SIZE > VMEM_MAP_MAX);
+       INIT_LIST_HEAD(&init_mm.context.crst_list);
+       INIT_LIST_HEAD(&init_mm.context.pgtable_list);
+       init_mm.context.noexec = 0;
        NODE_DATA(0)->node_mem_map = VMEM_MAP;
        for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++)
                vmem_add_mem(memory_chunk[i].addr, memory_chunk[i].size);